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nirvana33 [79]
3 years ago
15

Which describes the part of Africa below the Equator

Biology
1 answer:
Gnom [1K]3 years ago
4 0

Answer:

South Africa

Explanation:

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A means of communicating information or art is called artistic​
alexgriva [62]

Answer:

medium

Explanation:

3 0
3 years ago
Read 2 more answers
How is enthalpy used to predict whether a reaction is endothermic or exothermic?
Radda [10]

<u>Answer:</u>

<em>329.48 KJ/mol heat is released by the combustion of 2 molof methane</em>

<u>Explanation:</u>

The value of enthalpy determines whether the reaction is exothermic or endothermic. If the enthalpy change is positive, then the reaction is endothermic (heat or energy released) and if the enthalpy change is negative then the reaction is exothermic (heat or energy absorbed).

2CH_4(g)+4O_2(g) => 2CO_2(g)+4H_2O(g)

\Delta H \ reaction=[ 2(\Delta HfCO_2)+ 4(\Delta HfH_2O)]-[2(\Delta HfCH_4)+4(\Delta HfO_2)]

                            =2 ( -(393.5 KJ)/mol)-[2( -74.6 KJ/mol)+4(-241.82 KJ/mol)]

                            = -787 KJ/mol-[ -149.2 KJ/mol-967.28 KJ/mol]

                           = -787 KJ/mol+1116.48 KJ/mol

                                          =329.48 KJ/mol

<em>In this question, </em><em>the enthalpy of formation</em><em> has positive value and hence the </em><em>reaction is endothermic</em><em> in which the heat is released. </em>

3 0
3 years ago
What does the presence of a vestigial structure in a modern organism indicate?
Likurg_2 [28]

The answer is D, The structure was probably functional in some ancestor of the modern organism. Vestigial structures are structures that have remained from ancestors but have no function in modern times.

(Please mark brainliest if this helped you!)

3 0
2 years ago
Which process is NOT fueled by ATP produced in cellular respiration. First exclude the four processes that are fueled by ATP pro
tangare [24]

Answer:

transport of protons (H+) from low concentration in the mitochondrial matrix to high concentration in the mitochondrial intermembrane space

Explanation:

atpase pump can also be called atp synthase. this enzyme catalyses atp formation from adenosine diphosphate and phosphate. it has f1, stalk and f0 components. 3 positive hydrogen ions go through to make 1 adenosine triphosphate molecule. oxidative phosphorylation has to do with the loss of electrons. there would be electrons loss from NADH to FADH2. Cytochromes carries them through different series of transferases from I to IV and while on this positive hydrogen ions are released into mitochondrial matrix

positive hydrogen ions are moved back to lumen through adenosine triphosphate channels. a process called chemiosmosis. the pro

5 0
2 years ago
Read 2 more answers
As the capture start increases, describe what happens to the fish population? what factors in the environment can affect the fis
Papessa [141]

When the capture starts to increase, the fish population from 50 capture start to 100 capture start upsurges. At 200 capture start, though, the population augmented in the beginning up until it touched 300 months where it significantly dropped.

 

Numerous environmental factors can affect the populace of fish. First, when there is a hurricane, the fish population will be affected because the water will move and change.

Second, pollution. When individuals pollute the ocean, it affects the fishes’ ability to live.

Lastly, when there is a lot of hunters that feed on fish. This may cause many fishes to be consumed and their population will be reduced.

4 0
3 years ago
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